{ "qlog_version": "draft-00", "title": "picoquic", "traces": [
{ "vantage_point": { "name": "backend-67", "type": "server" },
"title": "picoquic", "description": "90c6afc001ffe275","event_fields": ["relative_time", "path_id", "category", "event", "data"],
"configuration": {"time_units": "us"},
"common_fields": { "protocol_type": "QUIC_HTTP3", "reference_time": "1904556130969"},
"events": [
[0, 0, "transport", "datagram_received", { "byte_length": 1220, "addr_from" : {"ip_v4": "20.94.54.86", "port_v4":36528}, "addr_to" : {"ip_v4": "172.31.61.32", "port_v4":20753}}],
[0, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 1220, "packet_number": 160, "version": "00000001", "payload_length": 1182, "dcid": "90c6afc001ffe275" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 313}]}],
[109, 0, "transport", "parameters_set", {
    "owner": "remote",
    "sni": "test.privateoctopus.com",
    "proposed_alpn": ["hq-interop", "h3", "hq-29", "h3-29"],
    "alpn": "hq-interop"}],
[112, 0, "transport", "parameters_set", {
    "owner": "remote",
    "idle_timeout" : 10000,
    "max_packet_size" : 1472,
    "initial_max_data" : 16777216,
    "initial_max_stream_data_bidi_local" : 65536,
    "initial_max_stream_data_bidi_remote" : 65536,
    "initial_max_stream_data_uni" : 65536,
    "initial_max_streams_uni" : 3,
    "ack_delay_exponent" : 8,
    "max_ack_delay" : 26,
    "active_connection_id_limit" : 4,
    "handshake_connection_id": "",
    "min_ack_delay" : 1000}],
[118, 0, "transport", "parameters_set", {
    "owner": "local",
    "initial_max_stream_data_bidi_local" : 2097152,
    "initial_max_data" : 1048576,
    "initial_max_streams_bidi" : 512,
    "idle_timeout" : 30000,
    "max_packet_size" : 1440,
    "initial_max_streams_uni" : 512,
    "initial_max_stream_data_bidi_remote" : 65635,
    "initial_max_stream_data_uni" : 65535,
    "active_connection_id_limit" : 8,
    "max_ack_delay" : 10,
    "handshake_connection_id": "3ad6f17a7f310316",
    "original_connection_id": "90c6afc001ffe275",
    "stateless_reset_token": "8047fcc11bdd3fce3f70d5c41a5dabc0",
    "max_datagram_frame_size" : 1536,
    "min_ack_delay" : 1000,
    "address_discovery" : 0,
    "reset_stream_at" : "invalid"}],
[365, 0, "transport", "packet_sent", { "packet_type": "initial", "header": { "packet_size": 122, "packet_number": 110451, "payload_length": 100, "scid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 45, "acked_ranges": [[160, 160]]}, { 
    "frame_type": "crypto", "offset": 0, "length": 90}]}],
[365, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 1098, "packet_number": 0, "payload_length": 1077, "scid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 1073}]}],
[365, 0, "transport", "datagram_sent", { "byte_length": 1252}],
[376, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=9\u000a"}],
[365, 0, "transport", "packet_sent", { "packet_type": "handshake", "header": { "packet_size": 176, "packet_number": 1, "payload_length": 155, "scid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "crypto", "offset": 1073, "length": 150}]}],
[365, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 423, "packet_number": 0, "key_phase": 0 }, "frames": [{ 
    "frame_type": "crypto", "offset": 0, "length": 165}, { 
    "frame_type": "new_token", "new_token": "5711fed9afe01a9514141512d05e1ee5bb3e7ad9e4df7eb506bb393cf85f61ab7db67e0cc70499e0373fbe3fdd7ca077a2f2"}, { 
    "frame_type": "new_connection_id", "sequence_number": 1, "retire_before": 0, "connection_id": "bd954ee90376c708", "reset_token": "343f18d6bab69f5bd4518c60d68f5dde"}, { 
    "frame_type": "new_connection_id", "sequence_number": 2, "retire_before": 0, "connection_id": "97bb1929eae251b7", "reset_token": "f5fbbe25af2217aa5d071337d79fe9b5"}, { 
    "frame_type": "new_connection_id", "sequence_number": 3, "retire_before": 0, "connection_id": "d8b506184e28f390", "reset_token": "bcdd58d2431d7ac464d7feeff0036325"}, { 
    "frame_type": "padding"}]}],
[365, 0, "recovery", "metrics_updated", {"cwnd": 15360,"bytes_in_flight": 1883}],
[365, 0, "transport", "datagram_sent", { "byte_length": 631}],
[365, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 1 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[365, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3355}],
[365, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[1092305, 0, "transport", "datagram_received", { "byte_length": 1220}],
[1092305, 0, "transport", "packet_received", { "packet_type": "initial", "header": { "packet_size": 49, "packet_number": 161, "payload_length": 11, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[110451, 110451]], "ect0": 1, "ect1": 0, "ce": 0}]}],
[1092305, 0, "transport", "packet_received", { "packet_type": "handshake", "header": { "packet_size": 100, "packet_number": 162, "payload_length": 63, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 2, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "crypto", "offset": 0, "length": 52}]}],
[1092354, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=10\u000a"}],
[1092305, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1071, "packet_number": 163, "dcid": "3ad6f17a7f310316", "key_phase": 0 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[0, 1]], "ect0": 2, "ect1": 0, "ce": 0}, { 
    "frame_type": "padding"}]}],
[1092305, 0, "recovery", "congestion_state_updated", {"old": "0","new": "7","cc_param": 2999}],
[1092305, 0, "recovery", "metrics_updated", {"cwnd": 93696,"pacing_rate": 858058,"bytes_in_flight": 0,"smoothed_rtt": 1091940,"min_rtt": 1091940,"latest_rtt": 1091940,"app_limited": 1}],
[1092373, 0, "transport", "datagram_received", { "byte_length": 1252}],
[1092373, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1252, "packet_number": 164, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1092379, 0, "transport", "spin_bit_updated", { "state": true }],
[1092379, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 2 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[163, 164]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 0, "packet_tolerance": 8, "max_ack_delay": 10000, "reordering_threshold": 0}, { 
    "frame_type": "handshake_done"}, { 
    "frame_type": "padding"}]}],
[1092379, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 1091940}],
[1092379, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1800723, 0, "transport", "datagram_received", { "byte_length": 1332}],
[1800723, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 165, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1802421, 0, "transport", "spin_bit_updated", { "state": false }],
[1802421, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 3 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 212, "acked_ranges": [[163, 165]]}, { 
    "frame_type": "padding"}]}],
[1802421, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 1091940}],
[1802421, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1810831, 0, "transport", "datagram_received", { "byte_length": 37}],
[1810831, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 37, "packet_number": 166, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 39, "acked_ranges": [[2, 2]], "ect0": 3, "ect1": 0, "ce": 0}]}],
[1810831, 0, "recovery", "metrics_updated", {"pacing_rate": 896331,"bytes_in_flight": 55,"smoothed_rtt": 1045254,"min_rtt": 718452,"latest_rtt": 718452}],
[1818823, 0, "transport", "datagram_received", { "byte_length": 1412}],
[1818823, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1412, "packet_number": 167, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1818836, 0, "transport", "spin_bit_updated", { "state": true }],
[1818836, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 4 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1, "acked_ranges": [[165, 167]]}, { 
    "frame_type": "padding"}]}],
[1818836, 0, "recovery", "metrics_updated", {"bytes_in_flight": 110,"smoothed_rtt": 1045254}],
[1818836, 0, "transport", "datagram_sent", { "byte_length": 55}],
[1819080, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "20.94.54.86", "port_v4":23217}}],
[1819080, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 168, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 0, "acked_ranges": [[2, 3]], "ect0": 4, "ect1": 0, "ce": 0}, { 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1819080, 0, "recovery", "metrics_updated", {"pacing_rate": 1022044,"bytes_in_flight": 55,"smoothed_rtt": 916679,"min_rtt": 16659,"latest_rtt": 16659}],
[1819098, 0, "transport", "datagram_received", { "byte_length": 1332}],
[1819098, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 169, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1820277, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 5 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "179b42b39336258b"}, { 
    "frame_type": "padding"}]}],
[1820277, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1527,"smoothed_rtt": 916679}],
[1820448, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 6 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 168, "acked_ranges": [[165, 169]]}, { 
    "frame_type": "ack_frequency", "sequence_number": 1, "packet_tolerance": 8, "max_ack_delay": 4164, "reordering_threshold": 0}, { 
    "frame_type": "padding"}]}],
[1820448, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1582,"smoothed_rtt": 916679}],
[1820448, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.94.54.86", "port_v4":36528}}],
[1869995, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "20.94.54.86", "port_v4":23217}}],
[1869995, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 170, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1871048, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 7 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 131, "acked_ranges": [[165, 170]]}, { 
    "frame_type": "padding"}]}],
[1871048, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1637,"smoothed_rtt": 916679}],
[1871048, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.94.54.86", "port_v4":36528}}],
[1920708, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "20.94.54.86", "port_v4":23217}}],
[1920708, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 171, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1921810, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 8 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 137, "acked_ranges": [[165, 171]]}, { 
    "frame_type": "padding"}]}],
[1921810, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1692,"smoothed_rtt": 916679}],
[1921810, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.94.54.86", "port_v4":36528}}],
[1971290, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "20.94.54.86", "port_v4":23217}}],
[1971290, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 172, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[1972385, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 9 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[165, 172]]}, { 
    "frame_type": "padding"}]}],
[1972385, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1747,"smoothed_rtt": 916679}],
[1972385, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.94.54.86", "port_v4":36528}}],
[2022258, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "20.94.54.86", "port_v4":23217}}],
[2022258, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 173, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2023350, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 10 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 136, "acked_ranges": [[165, 173]]}, { 
    "frame_type": "padding"}]}],
[2023350, 0, "recovery", "metrics_updated", {"bytes_in_flight": 1802,"smoothed_rtt": 916679}],
[2023350, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.94.54.86", "port_v4":36528}}],
[2070277, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 11 }, "frames": [{ 
    "frame_type": "path_challenge", "path_challenge": "4da66440442384c0"}, { 
    "frame_type": "padding"}]}],
[2070277, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3274,"smoothed_rtt": 916679}],
[2072962, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "20.94.54.86", "port_v4":23217}}],
[2072962, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 174, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2074048, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 12 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 135, "acked_ranges": [[165, 174]]}, { 
    "frame_type": "padding"}]}],
[2074048, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3329,"smoothed_rtt": 916679}],
[2074048, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.94.54.86", "port_v4":36528}}],
[2123137, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "20.94.54.86", "port_v4":23217}}],
[2123137, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 175, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2124221, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 13 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 135, "acked_ranges": [[165, 175]]}, { 
    "frame_type": "padding"}]}],
[2124221, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3384,"smoothed_rtt": 916679}],
[2124221, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.94.54.86", "port_v4":36528}}],
[2174165, 0, "transport", "datagram_received", { "byte_length": 1332, "addr_from" : {"ip_v4": "20.94.54.86", "port_v4":23217}}],
[2174165, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 1332, "packet_number": 176, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2175278, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 14 }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 139, "acked_ranges": [[165, 176]]}, { 
    "frame_type": "padding"}]}],
[2175278, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3439,"smoothed_rtt": 916679}],
[2175278, 0, "transport", "datagram_sent", { "byte_length": 55, "addr_to" : {"ip_v4": "20.94.54.86", "port_v4":36528}}],
[2544060, 0, "transport", "datagram_received", { "byte_length": 49, "addr_from" : {"ip_v4": "20.94.54.86", "port_v4":23217}}],
[2544060, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 49, "packet_number": 177, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 1439, "acked_ranges": [[5, 5], [2, 3]], "ect0": 5, "ect1": 0, "ce": 0}, { 
    "frame_type": "path_response", "path_response": "179b42b39336258b"}]}],
[2544060, 0, "recovery", "metrics_updated", {"pacing_rate": 1051107,"bytes_in_flight": 1967,"smoothed_rtt": 891317,"latest_rtt": 713783}],
[2544081, 0, "transport", "spin_bit_updated", { "state": false }],
[2544081, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 15 }, "frames": [{ 
    "frame_type": "ack_frequency", "sequence_number": 2, "packet_tolerance": 10, "max_ack_delay": 8894, "reordering_threshold": 0}, { 
    "frame_type": "padding"}]}],
[2544081, 0, "recovery", "metrics_updated", {"bytes_in_flight": 2022,"smoothed_rtt": 891317}],
[2544081, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2544081, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 1456, "packet_number": 16 }, "frames": [{ 
    "frame_type": "ping"}, { 
    "frame_type": "padding"}]}],
[2544081, 0, "recovery", "metrics_updated", {"bytes_in_flight": 3494,"smoothed_rtt": 891317}],
[2544081, 0, "transport", "datagram_sent", { "byte_length": 1472}],
[2554408, 0, "transport", "datagram_received", { "byte_length": 43}],
[2554408, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 43, "packet_number": 178, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 19, "acked_ranges": [[15, 16], [11, 11], [5, 5], [2, 3]], "ect0": 8, "ect1": 0, "ce": 0}]}],
[2554408, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 4,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 4,
        "packet_size" : 39}}],
[2554408, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 6,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 6,
        "packet_size" : 39}}],
[2554408, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 7,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 7,
        "packet_size" : 39}}],
[2554408, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 8,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 8,
        "packet_size" : 39}}],
[2554408, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 9,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 9,
        "packet_size" : 39}}],
[2554408, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 10,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 10,
        "packet_size" : 39}}],
[2554408, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 12,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 12,
        "packet_size" : 39}}],
[2554408, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 13,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 13,
        "packet_size" : 39}}],
[2554408, 0, "recovery", "packet_lost", {
    "packet_type" : "1RTT",
    "packet_number" : 14,
    "trigger": "repeat",
    "header": {
        "packet_type" : "1RTT",
        "packet_number" : 14,
        "packet_size" : 39}}],
[2554408, 0, "recovery", "metrics_updated", {"pacing_rate": 1199307,"bytes_in_flight": 0,"smoothed_rtt": 781193,"min_rtt": 10327,"latest_rtt": 10327}],
[2554454, 0, "transport", "spin_bit_updated", { "state": true }],
[2554454, 0, "transport", "packet_sent", { "packet_type": "1RTT", "header": { "packet_size": 39, "packet_number": 17 }, "frames": [{ 
    "frame_type": "ack_frequency", "sequence_number": 1, "packet_tolerance": 8, "max_ack_delay": 4164, "reordering_threshold": 0}, { 
    "frame_type": "padding"}]}],
[2554454, 0, "recovery", "metrics_updated", {"bytes_in_flight": 55,"smoothed_rtt": 781193}],
[2554454, 0, "transport", "datagram_sent", { "byte_length": 55}],
[2568770, 0, "transport", "datagram_received", { "byte_length": 43}],
[2568770, 0, "transport", "packet_received", { "packet_type": "1RTT", "header": { "packet_size": 43, "packet_number": 179, "dcid": "3ad6f17a7f310316" }, "frames": [{ 
    "frame_type": "ack", "ack_delay": 34, "acked_ranges": [[15, 17], [11, 11], [5, 5], [2, 3]], "ect0": 9, "ect1": 0, "ce": 0}]}],
[2568770, 0, "recovery", "metrics_updated", {"pacing_rate": 1367076,"bytes_in_flight": 0,"smoothed_rtt": 685333,"latest_rtt": 14316}],
[12569216, 0, "info", "message", { "message": "Server CB, Stream: 0, 0 bytes, fin=5\u000a"}],
[12569229, 0, "info", "message", { "message": "Closed. Retrans= 9, spurious= 0, max sp gap = 0, max sp delay = 0, dg-coal: 0.944444"}]]}]}